stty icrnl

Thu Jun 9 18:58:00 GMT 2016

On Jun 8, 2016, at 9:04 AM, Andrey Repin wrote:
>>> Brian Inglis writes:
>>>> Maybe try Windows putty non-TCP/IP serial I/O? 
>>> I was specifically trying to avoid a Windows program.
>> putty is not a Windows program.

PuTTY started out as a Windows-only program and is certainly still best-known as a free GUI terminal program for Windows. If you were to give a free-association test to a sufficiently large set of random IT people, I’d bet there would be more who would answer “Windows” than with all non-Windows OS-related terms combined.
What you should have said is that there is a Cygwin build of putty in the official Cygwin package repository.
Unfortunately, it is a GUI program, which seems to go against the OP’s actual wish, which is for a command line program. 
If the OP can stand a curses terminal program (as opposed to a purely bytestream oriented program like cu or direct /dev/tty* access) then I’d suggest minicom.
minicom builds out of the box on Cygwin *provided* that you have libiconv-devel and libncurses-devel installed. The configure script will diagnose the absence of the first, but it tries to work around the lack of the latter and fails during the build.
 $ wget https://alioth.debian.org/frs/download.php/file/3977/minicom-2.7.tar.gz
 $ tar xf minicom-2.7.tar.gz
 $ cd minicom-2.7
 $ ./configure && make -j11
 $ src/minicom --version
 minicom version 2.7 (compiled Jun 9 2016)
 Copyright (C) Miquel van Smoorenburg.
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version
 2 of the License, or (at your option) any later version.
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